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A116207
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Numbers n such that n concatenated with n+7 gives the product of two numbers which differ by 5.
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5
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493, 607, 629, 757, 17927, 33247, 93869, 19467217, 31223879, 72757727, 13454739732766891651472740499, 40093333713615672956030023507, 48089152118689474641229584727, 66424317743191484432891678269
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history;
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internal format)
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..14.
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EXAMPLE
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72757727//72757734 = 85298138 * 85298143, where // denotes concatenation.
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CROSSREFS
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Cf. A116167, A116114, A116200, A116173, A116208, A116180, A116338.
Sequence in context: A205819 A007242 A198531 * A045007 A062903 A059828
Adjacent sequences: A116204 A116205 A116206 * A116208 A116209 A116210
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KEYWORD
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nonn,base
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AUTHOR
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Giovanni Resta, Feb 06 2006
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STATUS
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approved
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